goog.module('grrUi.core.forceRefreshDirective');
goog.module.declareLegacyNamespace();



/**
 * Controller for force-refresh directive.
 * @unrestricted
 */
const ForceRefreshController = class {
  /**
   * @param {!angular.Scope} $scope
   * @param {!angular.jQuery} $element
   * @param {function(function(angular.jQuery, angular.Scope))} $transclude
   * @ngInject
   */
  constructor($scope, $element, $transclude) {
    /** @private {!angular.Scope} */
    this.scope_ = $scope;

    /** @private {!angular.jQuery} */
    this.element_ = $element;

    /** @private {function(function(angular.jQuery, angular.Scope))} */
    this.transclude_ = $transclude;

    /** @private {angular.Scope|undefined} */
    this.transcludedScope_;

    this.scope_.$watch('refreshTrigger', this.updateDom_.bind(this), true);
  }

  /**
   * @private
   */
  updateDom_() {
    if (angular.isDefined(this.transcludedScope_)) {
      this.transcludedScope_.$destroy();
      this.transcludedScope_ = undefined;
    }

    this.element_.empty();

    this.transclude_(function(clone, scope) {
      this.element_.empty();
      this.element_.append(clone);

      this.transcludedScope_ = scope;
    }.bind(this));
  }
};



/**
 * Directive that displays RDFDatetime values.
 *
 * @return {!angular.Directive} Directive definition object.
 * @ngInject
 * @export
 */
exports.ForceRefreshDirective = function() {
  return {
    scope: {
      refreshTrigger: '=',
    },
    restrict: 'EA',
    transclude: true,
    controller: ForceRefreshController,
    controllerAs: 'controller'
  };
};


/**
 * Directive's name in Angular.
 *
 * @const
 * @export
 */
exports.ForceRefreshDirective.directive_name = 'grrForceRefresh';
